DTL
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Dynamic Technology Lab’s Castle Biosciences CSTL Stock Holding History

Dynamic Technology Lab’s Portfolio CSTL Stock Details CSTL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-15,913
Closed -$391K – 752
2026
Q1 		$391K Buy
+15,913
New +$521K 0.06% 529
2025
Q4 		– Sell
-29,310
Closed -$667K – 819
2025
Q3 		$667K Buy
+29,310
New +$595K 0.11% 307
2025
Q2 		– Sell
-21,235
Closed -$425K – 1007
2025
Q1 		$425K Buy
21,235
+3,605
+20% +$89.3K 0.06% 553
2024
Q4 		$470K Sell
17,630
-26,264
-60% -$800K 0.08% 464
2024
Q3 		$1.25M Buy
+43,894
New +$1.12M 0.13% 249
2022
Q1 		– Sell
-8,710
Closed -$373K – 1174
2021
Q4 		$373K Buy
+8,710
New +$455K 0.04% 719
2021
Q3 		– Sell
-3,140
Closed -$230K – 1147
2021
Q2 		$230K Buy
+3,140
New +$207K 0.02% 893
2020
Q4 		– Sell
-4,571
Closed -$235K – 1051
2020
Q3 		$235K Buy
+4,571
New +$203K 0.04% 751
2020
Q2 		– Sell
-11,312
Closed -$337K – 1025
2020
Q1 		$337K Buy
+11,312
New +$341K 0.07% 538

Other funds holding CSTL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $123B AUM 45.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dynamic Technology Lab's CSTL Position: Q2 2026 in Review

Dynamic Technology Lab sold out of Castle Biosciences (CSTL) in Q2 2026, closing a stake of 15,913 shares — an estimated $391K sold.

Dynamic Technology Lab first reported a position in CSTL in Q1 2020 and held it in 9 quarters. The position peaked at $1.25M in Q3 2024. 177 funds tracked by Wall St. Rank hold CSTL as of Q2 2026.

  • Dynamic Technology Lab reported no remaining Castle Biosciences position as of Q2 2026 after selling out during the quarter.
  • Dynamic Technology Lab sold 15,913 Castle Biosciences shares in Q2 2026, an estimated $391K.
  • Dynamic Technology Lab first reported a position in Castle Biosciences in Q1 2020 and held it in 9 quarters.
  • Dynamic Technology Lab's Castle Biosciences position peaked at $1.25M in Q3 2024.
  • 177 funds tracked by Wall St. Rank held Castle Biosciences as of Q2 2026.

Based on Dynamic Technology Lab's 13F filing for Q2 2026, filed 13 Aug 2026.